, N., , S., , S. (2013). The impact of various income levels in the per capita food share and food deficiency in a number of Arab countries (selected years). Journal of Research Diyala humanity, 35(113), 107-120.
najafi ; Salim tawfiq al ; Saif. A. Mustafa al - Aaraji . "The impact of various income levels in the per capita food share and food deficiency in a number of Arab countries (selected years)". Journal of Research Diyala humanity, 35, 113, 2013, 107-120.
, N., , S., , S. (2013). 'The impact of various income levels in the per capita food share and food deficiency in a number of Arab countries (selected years)', Journal of Research Diyala humanity, 35(113), pp. 107-120.
, N., , S., , S. The impact of various income levels in the per capita food share and food deficiency in a number of Arab countries (selected years). Journal of Research Diyala humanity, 2013; 35(113): 107-120.